shithub: libvpx

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Added trap for invalid key frame

Change-Id: I698e8df9b336d38bffe01e656acba00d4003695f

--- a/vp9/decoder/vp9_decodframe.c

+++ b/vp9/decoder/vp9_decodframe.c

@@ -955,9 +955,15 @@

   YV12_BUFFER_CONFIG *new_fb = &cm->yv12_fb[cm->new_fb_idx];

   if (!first_partition_size) {

-    // showing a frame directly

-    *p_data_end = data + 1;

-    return 0;

+    if (!keyframe) {

+      // showing a frame directly

+      *p_data_end = data + 1;

+      return 0;

+    } else {

+      vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,

+                         "Invalid key frame");

+      return -1;

+    }

   }

   data += vp9_rb_bytes_read(&rb);

   xd->corrupted = 0;